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Win32.HLLW.Autoruner2.2042
Added to the Dr.Web virus database:
2014-01-18
Virus description added:
2014-01-19
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'd5a38e9b5f206c41f8851bf04a251d26' = '"%TEMP%\chrome.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'd5a38e9b5f206c41f8851bf04a251d26' = '"%TEMP%\chrome.exe" ..'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\d5a38e9b5f206c41f8851bf04a251d26.exe
Creates the following files on removable media:
<Drive name for removable media>:\d5a38e9b5f206c41f8851bf04a251d26.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\chrome.exe' = '%TEMP%\chrome.exe:*:Enabled:chrome.exe'
Creates and executes the following:
'%TEMP%\chrome.exe'
'%HOMEPATH%\Local Settings\Tempahmed.exe'
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\chrome.exe" "chrome.exe" ENABLE
'<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen %APPDATA%\pic.jpg
Modifies file system :
Creates the following files:
%HOMEPATH%\Recent\Application Data.lnk
%TEMP%\chrome.exe
%HOMEPATH%\Recent\pic.lnk
%APPDATA%\pic.jpg
%HOMEPATH%\Local Settings\Tempahmed.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\d5a38e9b5f206c41f8851bf04a251d26.exe
Network activity:
Connects to:
'vh####eam.no-ip.biz':1177
UDP:
DNS ASK vh####eam.no-ip.biz
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
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